Take a look at this pic. I want only the eyes to glow without the armor glowing too (The armor got a glossy shader). How can I do that?
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- $\begingroup$ For something very similar see this answer: blender.stackexchange.com/a/35448/1853 $\endgroup$user1853– user18532015-08-17 05:54:30 +00:00Commented Aug 17, 2015 at 5:54
- $\begingroup$ One simplistic approach could be to use a color or difference key. $\endgroup$Mörkö– Mörkö2015-08-17 07:47:06 +00:00Commented Aug 17, 2015 at 7:47
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1 Answer
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4 Use a pass index on the material for the eyes.
Enable material index on the layer passes. 
Add a ID mask on the compositor and use the number of your material pass index to create a mask for the glow.
EDIT
To make the glow yellow you can add color to the mask and change the final mix node's mode to add:
- $\begingroup$ Almost the answer. It's only the eyes glowing. But they glow white! It'd be nice if you guided me how to make them glow yellow! $\endgroup$thododo– thododo2015-08-17 14:12:37 +00:00Commented Aug 17, 2015 at 14:12
- $\begingroup$ @thododo see edited answer $\endgroup$user1853– user18532015-08-17 14:58:47 +00:00Commented Aug 17, 2015 at 14:58
- $\begingroup$ Straight-forward and cool! Learned a little more! Thank you! @cegaton $\endgroup$thododo– thododo2015-08-17 15:28:14 +00:00Commented Aug 17, 2015 at 15:28
- $\begingroup$ Before this, I tried RGB curve but didnt come out well LOL $\endgroup$thododo– thododo2015-08-17 15:34:01 +00:00Commented Aug 17, 2015 at 15:34